CVE-2026-96876: The Wikimedia Foundation Mediawiki - Cargo Extension

Medium severity, CVSS 6.9. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Mediawiki - Cargo extension allows Reflected XSS. This issue affects Mediawiki - Cargo extension: through 3.9.4.

Affected products

• The Wikimedia Foundation Mediawiki - Cargo Extension: up to and including 3.9.4

Published 2026-09-25. Last modified 2026-09-29.